Quick question: when wearing a gingham check shirt with a suit, is a button down or point/spread collar more appropriate? It's a casual look and a button down seems reasonable, but I associate button down collars almost exclusively with solid white or blue oxford shirts.

I didn't realize it was multiple choice - if I can add an additional vote, I'd like to add to Butler's tally on behalf of my wife, who was very impressed with his entry.
Thanks for the vote, Holdfast. I am fully aware of how ridiculous the indoor sunglasses are, but it's too much fun and it's how I would appear on the street anyway. It's probably a SoCal thing, but I've got about a dozen pairs of shades and consider them accessories in the same class as pocket squares or...